Higher %wa value on OpenVZ server

Hello, there is higher %wa value on top command both on VPS and on host server (OpenVZ virtualization). Both RHEL CentOS 5.x

VPS:

Quote:

[root@* hqs]# w

18:13:05 up 17 days, 12:34, 1 user, load average: 1.08, 1.40, 1.33

USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT

root pts/0 :1.0 03May14 17days 0.01s 0.01s -bash

[root@vps hqs]# iostat

Linux 2.6.18-371.3.1.el5.028stab110.1 (*) 05/20/14

avg-cpu: %user %nice %system %iowait %steal %idle

8.68 0.16 7.90 12.80 0.00 70.46

Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn

[root@vps hqs]# vmstat

procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------

r b swpd free buff cache si so bi bo in cs us sy id wa st

2 0 0 9047468 0 0 0 0 13 24 0 7 9 8 70 13 0

Host server:

Quote:

-bash-3.2# w;iostat;vmstat

12:15:17 up 21 days, 7:05, 1 user, load average: 26.44, 28.58, 20.12

USER TTY FROM LOGIN@ IDLE JCPU PCPU WHAT

root pts/0 chomsky.torserve 12:00 0.00s 0.03s 0.02s w

Linux 2.6.18-371.3.1.el5.028stab110.1 (*) 05/20/14

avg-cpu: %user %nice %system %iowait %steal %idle

10.87 0.16 3.60 13.08 0.00 72.29

Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn

sda 263.58 521.79 9977.21 960046912 18357245870

sda1 0.00 0.00 0.00 2302 38

sda2 263.58 521.79 9977.21 960044330 18357245832

dm-0 1265.03 521.79 9977.21 960041306 18357244688

dm-1 0.00 0.00 0.00 2536 2136

procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------

r b swpd free buff cache si so bi bo in cs us sy id wa st

8 7 288 561216 999776 15036684 0 0 16 312 1 1 11 4 72 13 0

io, packets per second on host server for all OpenVZ VMs:

host server load is usually around 9, server having 16 cores.

Please anyone can advice some commands or ideas? Thank you

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